static void
gimp_color_selector_palette_set_config (GimpColorSelector *selector,
GimpColorConfig *config)
{
GimpColorSelectorPalette *select = GIMP_COLOR_SELECTOR_PALETTE (selector);
if (select->context)
{
g_signal_handlers_disconnect_by_func (select->context,
gimp_color_selector_palette_palette_changed,
select);
select->context = NULL;
}
if (config)
select->context = g_object_get_data (G_OBJECT (config), "gimp-context");
if (select->context)
{
if (! select->view)
{
GtkWidget *frame;
frame = gtk_frame_new (NULL);
gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN);
gtk_container_add (GTK_CONTAINER (select), frame);
gtk_widget_show (frame);
select->view = gimp_view_new_full_by_types (select->context,
GIMP_TYPE_PALETTE_VIEW,
GIMP_TYPE_PALETTE,
100, 100, 0,
FALSE, TRUE, FALSE);
gimp_view_set_expand (GIMP_VIEW (select->view), TRUE);
gimp_view_renderer_palette_set_cell_size
(GIMP_VIEW_RENDERER_PALETTE (GIMP_VIEW (select->view)->renderer),
-1);
gimp_view_renderer_palette_set_draw_grid
(GIMP_VIEW_RENDERER_PALETTE (GIMP_VIEW (select->view)->renderer),
TRUE);
gtk_container_add (GTK_CONTAINER (frame), select->view);
gtk_widget_show (select->view);
g_signal_connect (select->view, "entry-clicked",
G_CALLBACK (gimp_color_selector_palette_entry_clicked),
select);
}
g_signal_connect_object (select->context, "palette-changed",
G_CALLBACK (gimp_color_selector_palette_palette_changed),
select, 0);
gimp_color_selector_palette_palette_changed (select->context,
gimp_context_get_palette (select->context),
select);
}
}
static GimpPaletteEntry *
gimp_palette_view_find_entry (GimpPaletteView *view,
gint x,
gint y)
{
GimpPalette *palette;
GimpViewRendererPalette *renderer;
GimpPaletteEntry *entry = NULL;
gint col, row;
palette = GIMP_PALETTE (GIMP_VIEW (view)->renderer->viewable);
renderer = GIMP_VIEW_RENDERER_PALETTE (GIMP_VIEW (view)->renderer);
if (! palette)
return NULL;
col = x / renderer->cell_width;
row = y / renderer->cell_height;
if (col >= 0 && col < renderer->columns &&
row >= 0 && row < renderer->rows)
{
entry = gimp_palette_get_entry (palette,
row * renderer->columns + col);
}
return entry;
}
static void
gimp_palette_view_draw_selected (GimpPaletteView *pal_view,
GdkRectangle *area)
{
GimpView *view = GIMP_VIEW (pal_view);
if (view->renderer->viewable && pal_view->selected)
{
GtkWidget *widget = GTK_WIDGET (view);
GimpViewRendererPalette *renderer;
gint row, col;
renderer = GIMP_VIEW_RENDERER_PALETTE (view->renderer);
row = pal_view->selected->position / renderer->columns;
col = pal_view->selected->position % renderer->columns;
if (area)
gdk_gc_set_clip_rectangle (pal_view->gc, area);
gdk_draw_rectangle (widget->window, pal_view->gc,
FALSE,
widget->allocation.x + col * renderer->cell_width,
widget->allocation.y + row * renderer->cell_height,
renderer->cell_width,
renderer->cell_height);
if (area)
gdk_gc_set_clip_rectangle (pal_view->gc, NULL);
}
}
static gboolean
gimp_palette_view_expose (GtkWidget *widget,
GdkEventExpose *eevent)
{
GimpPaletteView *pal_view = GIMP_PALETTE_VIEW (widget);
GimpView *view = GIMP_VIEW (widget);
if (! gtk_widget_is_drawable (widget))
return FALSE;
GTK_WIDGET_CLASS (parent_class)->expose_event (widget, eevent);
if (view->renderer->viewable && pal_view->selected)
{
GimpViewRendererPalette *renderer;
GtkStyle *style = gtk_widget_get_style (widget);
GtkAllocation allocation;
cairo_t *cr;
gint row, col;
renderer = GIMP_VIEW_RENDERER_PALETTE (view->renderer);
gtk_widget_get_allocation (widget, &allocation);
row = pal_view->selected->position / renderer->columns;
col = pal_view->selected->position % renderer->columns;
cr = gdk_cairo_create (gtk_widget_get_window (widget));
gdk_cairo_region (cr, eevent->region);
cairo_clip (cr);
cairo_translate (cr, allocation.x, allocation.y);
cairo_rectangle (cr,
col * renderer->cell_width + 0.5,
row * renderer->cell_height + 0.5,
renderer->cell_width,
renderer->cell_height);
cairo_set_line_width (cr, 1.0);
gdk_cairo_set_source_color (cr, &style->fg[GTK_STATE_SELECTED]);
cairo_stroke_preserve (cr);
if (gimp_cairo_set_focus_line_pattern (cr, widget))
{
gdk_cairo_set_source_color (cr, &style->fg[GTK_STATE_NORMAL]);
cairo_stroke (cr);
}
cairo_destroy (cr);
}
return FALSE;
}
static void
gimp_palette_view_expose_entry (GimpPaletteView *view,
GimpPaletteEntry *entry)
{
GimpViewRendererPalette *renderer;
gint row, col;
GtkWidget *widget = GTK_WIDGET (view);
renderer = GIMP_VIEW_RENDERER_PALETTE (GIMP_VIEW (view)->renderer);
row = entry->position / renderer->columns;
col = entry->position % renderer->columns;
gtk_widget_queue_draw_area (GTK_WIDGET (view),
widget->allocation.x + col * renderer->cell_width,
widget->allocation.y + row * renderer->cell_height,
renderer->cell_width + 1,
renderer->cell_height + 1);
}
static gboolean
gimp_palette_view_focus (GtkWidget *widget,
GtkDirectionType direction)
{
GimpPaletteView *view = GIMP_PALETTE_VIEW (widget);
GimpPalette *palette;
palette = GIMP_PALETTE (GIMP_VIEW (view)->renderer->viewable);
if (gtk_widget_get_can_focus (widget) &&
! gtk_widget_has_focus (widget))
{
gtk_widget_grab_focus (widget);
if (! view->selected &&
palette && gimp_palette_get_n_colors (palette) > 0)
{
GimpPaletteEntry *entry = gimp_palette_get_entry (palette, 0);
gimp_palette_view_select_entry (view, entry);
}
return TRUE;
}
if (view->selected)
{
GimpViewRendererPalette *renderer;
gint skip = 0;
renderer = GIMP_VIEW_RENDERER_PALETTE (GIMP_VIEW (view)->renderer);
switch (direction)
{
case GTK_DIR_UP:
skip = -renderer->columns;
break;
case GTK_DIR_DOWN:
skip = renderer->columns;
break;
case GTK_DIR_LEFT:
skip = -1;
break;
case GTK_DIR_RIGHT:
skip = 1;
break;
case GTK_DIR_TAB_FORWARD:
case GTK_DIR_TAB_BACKWARD:
return FALSE;
}
if (skip != 0)
{
GimpPaletteEntry *entry;
gint position;
position = view->selected->position + skip;
entry = gimp_palette_get_entry (palette, position);
if (entry)
gimp_palette_view_select_entry (view, entry);
}
return TRUE;
}
return FALSE;
}
static void
gimp_view_renderer_palette_render (GimpViewRenderer *renderer,
GtkWidget *widget)
{
GimpViewRendererPalette *renderpal = GIMP_VIEW_RENDERER_PALETTE (renderer);
GimpPalette *palette;
guchar *row;
guchar *dest;
GList *list;
gdouble cell_width;
gint grid_width;
gint dest_stride;
gint y;
palette = GIMP_PALETTE (renderer->viewable);
if (palette->n_colors < 1)
return;
grid_width = renderpal->draw_grid ? 1 : 0;
if (renderpal->cell_size > 0)
{
if (palette->n_columns > 0)
cell_width = MAX ((gdouble) renderpal->cell_size,
(gdouble) (renderer->width - grid_width) /
(gdouble) palette->n_columns);
else
cell_width = renderpal->cell_size;
}
else
{
if (palette->n_columns > 0)
cell_width = ((gdouble) (renderer->width - grid_width) /
(gdouble) palette->n_columns);
else
cell_width = (gdouble) (renderer->width - grid_width) / 16.0;
}
cell_width = MAX (4.0, cell_width);
renderpal->cell_width = cell_width;
renderpal->columns = (gdouble) (renderer->width - grid_width) / cell_width;
renderpal->rows = palette->n_colors / renderpal->columns;
if (palette->n_colors % renderpal->columns)
renderpal->rows += 1;
renderpal->cell_height = MAX (4, ((renderer->height - grid_width) /
renderpal->rows));
if (! renderpal->draw_grid)
renderpal->cell_height = MIN (renderpal->cell_height,
renderpal->cell_width);
list = palette->colors;
if (! renderer->surface)
renderer->surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24,
renderer->width,
renderer->height);
cairo_surface_flush (renderer->surface);
row = g_new (guchar, renderer->width * 4);
dest = cairo_image_surface_get_data (renderer->surface);
dest_stride = cairo_image_surface_get_stride (renderer->surface);
for (y = 0; y < renderer->height; y++)
{
if ((y % renderpal->cell_height) == 0)
{
guchar r, g, b;
gint x;
gint n = 0;
guchar *d = row;
memset (row, renderpal->draw_grid ? 0 : 255, renderer->width * 4);
r = g = b = (renderpal->draw_grid ? 0 : 255);
for (x = 0; x < renderer->width; x++, d += 4)
{
if ((x % renderpal->cell_width) == 0)
{
if (list && n < renderpal->columns &&
renderer->width - x >= renderpal->cell_width)
{
GimpPaletteEntry *entry = list->data;
list = g_list_next (list);
n++;
gimp_rgb_get_uchar (&entry->color, &r, &g, &b);
}
else
{
r = g = b = (renderpal->draw_grid ? 0 : 255);
}
}
if (renderpal->draw_grid && (x % renderpal->cell_width) == 0)
{
GIMP_CAIRO_RGB24_SET_PIXEL (d, 0, 0, 0);
}
else
{
GIMP_CAIRO_RGB24_SET_PIXEL (d, r, g, b);
}
}
}
if (renderpal->draw_grid && (y % renderpal->cell_height) == 0)
{
memset (dest, 0, renderer->width * 4);
}
else
{
memcpy (dest, row, renderer->width * 4);
}
dest += dest_stride;
}
g_free (row);
cairo_surface_mark_dirty (renderer->surface);
renderer->needs_render = FALSE;
}
static void
gimp_palette_editor_init (GimpPaletteEditor *editor)
{
GimpDataEditor *data_editor = GIMP_DATA_EDITOR (editor);
GtkWidget *hbox;
GtkWidget *label;
GtkWidget *spinbutton;
editor->zoom_factor = 1.0;
editor->col_width = 0;
editor->last_width = 0;
editor->columns = COLUMNS;
data_editor->view = gtk_scrolled_window_new (NULL, NULL);
gtk_widget_set_size_request (data_editor->view, -1, PREVIEW_HEIGHT);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (data_editor->view),
GTK_POLICY_AUTOMATIC,
GTK_POLICY_AUTOMATIC);
gtk_box_pack_start (GTK_BOX (editor), data_editor->view, TRUE, TRUE, 0);
gtk_widget_show (data_editor->view);
editor->view = gimp_view_new_full_by_types (NULL,
GIMP_TYPE_PALETTE_VIEW,
GIMP_TYPE_PALETTE,
PREVIEW_WIDTH, PREVIEW_HEIGHT, 0,
FALSE, TRUE, FALSE);
gimp_view_renderer_palette_set_cell_size
(GIMP_VIEW_RENDERER_PALETTE (GIMP_VIEW (editor->view)->renderer), -1);
gimp_view_renderer_palette_set_draw_grid
(GIMP_VIEW_RENDERER_PALETTE (GIMP_VIEW (editor->view)->renderer), TRUE);
gtk_scrolled_window_add_with_viewport (GTK_SCROLLED_WINDOW (data_editor->view),
editor->view);
gtk_widget_show (editor->view);
g_signal_connect (gtk_widget_get_parent (editor->view), "size-allocate",
G_CALLBACK (palette_editor_viewport_size_allocate),
editor);
g_signal_connect (editor->view, "entry-clicked",
G_CALLBACK (palette_editor_entry_clicked),
editor);
g_signal_connect (editor->view, "entry-selected",
G_CALLBACK (palette_editor_entry_selected),
editor);
g_signal_connect (editor->view, "entry-activated",
G_CALLBACK (palette_editor_entry_activated),
editor);
g_signal_connect (editor->view, "entry-context",
G_CALLBACK (palette_editor_entry_context),
editor);
g_signal_connect (editor->view, "color-dropped",
G_CALLBACK (palette_editor_color_dropped),
editor);
gimp_dnd_viewable_dest_add (editor->view,
GIMP_TYPE_PALETTE,
palette_editor_drop_palette,
editor);
gimp_dnd_viewable_dest_add (gtk_widget_get_parent (editor->view),
GIMP_TYPE_PALETTE,
palette_editor_drop_palette,
editor);
gimp_dnd_color_dest_add (gtk_widget_get_parent (editor->view),
palette_editor_drop_color,
editor);
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 2);
gtk_box_pack_start (GTK_BOX (editor), hbox, FALSE, FALSE, 0);
gtk_widget_show (hbox);
/* The color name entry */
editor->color_name = gtk_entry_new ();
gtk_box_pack_start (GTK_BOX (hbox), editor->color_name, TRUE, TRUE, 0);
gtk_entry_set_text (GTK_ENTRY (editor->color_name), _("Undefined"));
gtk_editable_set_editable (GTK_EDITABLE (editor->color_name), FALSE);
gtk_widget_show (editor->color_name);
g_signal_connect (editor->color_name, "changed",
G_CALLBACK (palette_editor_color_name_changed),
editor);
label = gtk_label_new (_("Columns:"));
gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);
gtk_widget_show (label);
editor->columns_adj = (GtkAdjustment *)
gtk_adjustment_new (0, 0, 64, 1, 4, 0);
spinbutton = gtk_spin_button_new (editor->columns_adj, 1.0, 0);
gtk_spin_button_set_numeric (GTK_SPIN_BUTTON (spinbutton), TRUE);
gtk_box_pack_start (GTK_BOX (hbox), spinbutton, FALSE, FALSE, 0);
gtk_widget_show (spinbutton);
g_signal_connect (editor->columns_adj, "value-changed",
G_CALLBACK (palette_editor_columns_changed),
editor);
}
